Nintendo DSi system was updated into version 1.43 on Jun 30th, 2011, which blocks many flashcarts. Below will guide you on how to have your Acekard 2i, R4i Gold Ver2.0 and R4i Ultra SDHC cards updated for this DSi 1.43 system. [video]http://youtu.be/QhrZGHT33YA[/video]